body {
    padding-top: 20px;
}

.nav-tabs .nav-link.active {
    background-color: #007bff;
    color: white;
}

.card {
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    transition: 0.3s;
}

.card:hover {
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
}

.table th {
    background-color: #f8f9fa;
}

.btn {
    margin-right: 5px;
}

.modal-header {
    background-color: #007bff;
    color: white;
}

.footer {
    padding: 20px 0;
    margin-top: 20px;
    background-color: #f8f9fa;
}